I have my_project.ps1 file from which I am activating virtual environment & starting my project.
currently I need to open my powershell then after I need to go to directory where I have saved my .ps1 file & have to open it from powershell only.
Is there any way so that I can double click on .ps1 file & it will open automatically in power shell ?
By design, double-clicking (opening) *.ps1 files from the Windows [GUI] shell (in this case: Desktop, File Explorer, and the taskbar, via pinned items) does not execute them - instead they're opened for editing in Notepad or in the PowerShell ISE, depending on the Windows / PowerShell version.
However, since at least Windows 7, the shortcut menu for *.ps1 files contains a Run with PowerShell command, which does invoke the script at hand; this may be enough for your purposes, but this invocation method has limitations - see the bottom section for details.
If you do want to redefine double-clicking / opening so that it executes *.ps1 scripts, you have two options:
Note:
For a given script (as opposed to all .ps1 files), you may alternatively create a shortcut file or batch file that launches it, but that isn't a general solution, as you'd have to create a companion file for each and every .ps1 file you want to run by double-clicking. It does, however, give you full control over the invocation. You can create shortcut files interactively, via File Explorer, as described in this answer, or programmatically, as shown in this answer. Similarly, you may create a companion batch file (.cmd or .bat) that invokes your script, because batch file are executed when double-clicked; e.g., if you place a batch file with the same base name as your .ps1 script in the same directory (e.g., foo.cmd next to foo.ps1), you can call it from your batch file as follows; -NoExit keeps the session open:
#powershell.exe -NoExit -File "%~dpn0.ps1" %*
The methods below also enable direct execution of a .ps1 script from a cmd.exe console window, synchronously, inside the same window. In other words: You can execute, say, script foo.ps1 directly as such, instead of having to use the PowerShell CLI, say, powershell.exe -File foo.ps1
[Not recommended] GUI method:
Use File Explorer to make PowerShell execute .ps1 files by default:
Right-click on a .ps1 file and select Properties.
Click on Change... next to the Opens with: label.
Click on More apps on the bottom of the list and scroll down to Look for another app on this PC
Browse to or paste file path C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe and submit.
This method gives you no control over the specifics of the PowerShell invocation and has major limitations; in effect you'll end up with the following behavior:
Major limitations:
Script paths with embedded spaces and ' chars. cannot be invoked this way, because, even though such paths are passed with double quotes, the latter are in effect stripped by PowerShell, because the path is passed to the implied -Command parameter, which first strips (unescaped) double quotes from the command line before interpreting the result as PowerShell code - in which case paths with spaces are seen as multiple arguments / paths that contain (an odd number of) ' cause a syntax error.
Note that if you were to select pwsh.exe instead, the CLI of the cross-platform, install-on-demand PowerShell (Core) 7+ edition, that problem would not arise, because it defaults to the -File parameter - in which case a double-quoted script-file path is properly recognized.
For the difference between PowerShell CLI calls using -Command vs. those using -File, see this answer.
Passing arguments is not supported, which matters if you want to invoke .ps1 files directly from cmd.exe and need to pass arguments.
The redefinition is only in effect for the current user - which is probably a good thing, as other users may not expect this change, which can result in unwanted execution of scripts.
Whatever execution policy is in effect will be honored; e.g., if Restricted is in effect, invocation will fail altogether.
As with the default Run in PowerShell command, the window in which the script runs will automatically close when the script ends - thus, unless the script explicitly prompts the user before exiting, you may not be able to examine its output.
To exercise more control over how PowerShell invokes the script including support for paths with spaces and for passing arguments, use the programmatic method shown in the next section.
Programmatic method:
Important:
The GUI method overrides a programmatic solution, so it must be removed - the code below does this automatically.
Unfortunately, there's another, accidental override that can happen if you have Visual Studio Code installed: Whenever you use File Explorer's shortcut menu to open a file in Visual Studio Code, it unexpectedly becomes the default action. The code below detects this condition and fixes the problem, but it will resurface the next time a .ps1 file is opened this way.
Modify the registry to redefine the Open shortcut-menu command for *.ps1 files at HKEY_CLASSES_ROOT\Microsoft.PowerShellScript.1\shell\Open\Command, as shown below.
You can run the code as-is to create a user-level file-type definition that:
uses the executable that runs the current PowerShell session, i.e. powershell.exe in Windows PowerShell, and pwsh.exe in PowerShell (Core) 7+.
respects the effective execution policy - add an -ExecutionPolicy argument to override.
loads the profiles first - add -NoProfile to suppress loading; this is primarily of interest if you're planning to directly invoke .ps1 files from cmd.exe, not (just) from File Explorer, in combination with not using -NoExit.
runs in the script in its own directory
keeps the session open after the script exits - remove -NoExit to exit the session when the script ends; this is primarily of interest if you're planning to directly invoke .ps1 files from cmd.exe, not (just) from File Explorer.
If you requirements differ - if you need different CLI parameters and /or you want to use pwsh.exe, i.e. PowerShell (Core) 7+ instead - tweak the code first, by modifying the $cmd = ... line below; see the comments above it.
# Specify if the change should apply to the CURRENT USER only, or to ALL users.
# NOTE: If you set this to $true - which is NOT ADVISABLE -
# you'll need to run this code ELEVATED (as administrator)
$forAllUsers = $false
# Determine the chosen scope's target registry key path.
$targetKey = "$(('HKCU', 'HKLM')[$forAllUsers]):\Software\Classes\Microsoft.PowerShellScript.1\shell\Open\Command"
# In the user-specific hive (HKCU: == HKEY_CURRENT_USER), the target key
# doesn't exist by default (whereas it does in the local-machine hive (HLKM: == HKEY_LOCAL_MACHINE)),
# so we need to make sure that it exists.
if (-not $forAllUsers -and -not (Test-Path -LiteralPath $targetKey)) {
$null = New-Item -Path $targetKey -Force -ErrorAction Stop
}
# Specify the command to use when opening / double-clicking *.ps1 scripts:
# As written here:
# * The script runs in the directory in which it resides.
# * The profiles are loaded (add -NoProfile to change).
# * The current execution policy is respected (add -ExecutionPolicy <policy> to override, if possible)
# * The window stays open after the script exits (remove -NoExit to change)
# For help with all parameters, see https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_powershell_exe
$cmd = "`"$((Get-Process -Id $PID).Path)`" -nologo -noexit -file `"%1`" %*"
# Write the command to the registry.
Set-ItemProperty -ErrorAction Stop -LiteralPath $targetKey -Name '(default)' -Value $cmd
Write-Verbose -Verbose "$(('User-level', 'Machine-level')[$forAllUsers]) file-type definition for *.ps1 files successfully updated."
# Additionally, make sure that NO OVERRIDES preempt the new definition.
# See if a user override established interactively via File Explorer happens to be defined,
# and remove it, if so.
if ($fileExplorerOverrideKey = Get-Item -ErrorAction Ignore -LiteralPath 'registry::HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.ps1\UserChoice') {
Write-Verbose -Verbose 'Removing File Explorer override...'
# Get the parent key path and the key name
$parentKeyPath = $fileExplorerOverrideKey.PSParentPath -replace '^.+?::\w+\\' # Remove the 'Microsoft.PowerShell.Core\Registry::HKEY_CURRENT_USER\' prefix
$keyName = $fileExplorerOverrideKey.PSChildName
$key = $null
try {
# Open the *parent* key for writing.
$key = [Microsoft.Win32.Registry]::CurrentUser.OpenSubkey($parentKeyPath, $true)
# Delete the subkey.
# !! Due to the specific permissions assigned by File Explorer to the key
# !! (an additional DENY access-control entry for the current user, for the key itself only, for the 'Set Value' permission),
# !! using the .DeleteSubKey*Tree*() method fails (Remove-Item implicitly uses this method and therefore fails too)
# !! However, since there should be no nested subkeys, using .DeleteSubkey() should work fine.
$key.DeleteSubKey($keyName)
}
catch {
throw
}
finally {
if ($key) { $key.Close()}
}
}
# See if *Visual Studio Code* was most recently used to open a *.ps1 file:
# If so, it inexplicably OVERRIDES a file-type definition.
# (This doesn't seem to happen with other executables.)
# !! We fix the problem, but it will RESURFACE the next time File Explorer's shortcut menu
# !! is used to open a *.ps1 file in Visual Studio Code.
if ($itm = Get-Item -ErrorAction Ignore -LiteralPath 'registry::HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.ps1\OpenWithList') {
if (($names = $itm.GetValueNames().Where({ $itm.GetValue($_) -ceq 'Code.exe' })) -and ($mruList = $itm.GetValue('MRUList')) -and $mruList[0] -in $names) {
Write-Warning "Visual Studio Code was most recently used to open a .ps1 file, which unexpectedly overrides the file-type definition.`nCorrecting the problem for now, but it will resurface the next time you use File Explorer's shortcut menu to open a .ps1 file in Visual Studio Code."
# Note: Normally there aren't, but there *can* be *multiple* Code.exe entries, namely after manual removal of the MRUList:
# The next time you choose to open in VSCode via File Explorer's shortcut menu, an *additional* Code.exe entry is added.
do { # Trim the start of the MRUList until its first entry no longer references Code.exe
$mruList = $mruList.Substring(1)
} while ($mruList[0] -in $names)
# Update the MRUList value in the registry.
$itm | Set-ItemProperty -Name 'MRUList' -Value $mruList
}
}
Explanation of the predefined Run in PowerShell shortcut-menu command:
It is defined in registry key HKEY_CLASSES_ROOT\Microsoft.PowerShellScript.1\shell\0\Command (as of Windows 10) as follows:
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "-Command" "if((Get-ExecutionPolicy ) -ne 'AllSigned') { Set-ExecutionPolicy -Scope Process Bypass }; & '%1'"
This command is flawed in that it breaks with script-file paths that happen to contain ' characters.
Unless execution policy AllSigned is in effect - in which case only signed scripts can be executed but are executed without prompting - the command attempts to set the execution policy for the invoked process to Bypass, which means that any script can be executed, but only after the user responds to a confirmation prompt beforehand (irrespective of whether the script is signed or not, and whether it was downloaded from the web or not).
At least in earlier Windows 7 releases / PowerShell versions, the command was misdefined[1] in a way that effectively ignored the attempt to set the process' execution policy, which meant that whatever execution policy was persistently configured applied - and no confirmation prompt was shown.
Unless the targeted script explicitly pauses to wait for user input before exiting, the window in which the script will close automatically when the script finishes, so you may not get to see its output.
The targeted script executes in the directory in which it is located as the working directory (current location)
[1] The earlier, broken command definition was "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "-file" "%1" "-Command" "if((Get-ExecutionPolicy ) -ne AllSigned) { Set-ExecutionPolicy -Scope Process Bypass }", which meant what anything after -file "%1" was passed as arguments to file "%1" instead of the intended execution of the commands following -Command; additionally - a moot point - the AllSigned operand would have need to be quoted.
To execute a PS1 file by double-click (to run)
Make a shortcut for the file and set the target to this:
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe "C:\Temp\MyPowershellScript.ps1"
Replace the second directory (the one in quotes) with the location of your script.
To read a PS1 file by double-click (to edit)
Same as above, but target ISE instead, as that will force it into edit mode.
C:\Windows\System32\WindowsPowerShell\v1.0\powershell_ise.exe "C:\Temp\MyPowershellScript.ps1"
Server 2012 and newer by default do not associate the .PS1 file extension with the PowerShell executable; rather, they default to open .PS1 files with notepad by default for security reasons.
If you have access, you need to change the file association through the 'default programs' in your control panel for the .PS1 files to execute by double clicking.
Also be aware that you may have to change your execution policy to get particular scripts to run.
Also, as it sounds like this script might be a core automation, you can execute scripts from in another one with either of these, without the need to change the active working directory:
Invoke-Item ""
& ''
I have fixed the registry values so that the .ps1 scripts are executed with double click or with "Run with PowerShell" from any position without problem, even with paths with multiple consecutive spaces and with apostrophes:
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\.ps1]
#="Microsoft.PowerShellScript.1"
[HKEY_CLASSES_ROOT\Directory\Background\shell\Powershell\command]
#="\"C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe\" -NoExit -Command \"Set-Location -LiteralPath \\\"%V\\\"\""
[HKEY_CLASSES_ROOT\Directory\Shell\Powershell\command]
#="\"C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe\" -NoExit -Command \"Set-Location -LiteralPath \\\"%V\\\"\""
[HKEY_CLASSES_ROOT\Drive\shell\Powershell\command]
#="\"C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe\" -NoExit -Command \"Set-Location -LiteralPath \\\"%V\\\"\""
[HKEY_CLASSES_ROOT\Microsoft.PowerShellScript.1\DefaultIcon]
#="\"C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe\",0"
[HKEY_CLASSES_ROOT\Microsoft.PowerShellScript.1\Shell\Open\Command]
#="\"C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe\" -File \"%1\""
[HKEY_CLASSES_ROOT\SystemFileAssociations\.ps1\Shell\0\Command]
#="\"C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe\" -File \"%1\""
[HKEY_CLASSES_ROOT\SystemFileAssociations\.ps1\Shell\Edit\Command]
#="\"C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell_ise.exe\" -File \"%1\""
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\PowerShell\1\ShellIds\Microsoft.PowerShell]
"ExecutionPolicy"="RemoteSigned"
I wanted to use Windows built-in table viewer to open CSV file, like this SO answer shows.
So I want that when I double click on a CSV file in Explorer, the following command is run:
Import-Csv [CSV-FILE] |Out-GridView
I ended up creating two script files. One file name "read_csv.bat" which contains:
powershell.exe -ExecutionPolicy ByPass -noexit -File %~dp0read_csv.ps1 -csvfile %1
pause
Another file name "read_csv.ps1" which contains the actual script
param (
[Parameter(Mandatory=$true)][string]$csvfile
)
Import-Csv $csvfile |Out-GridView
Is there now way to do it more efficiently, so with only one script file? If I set explorer to open the CSV file with the POwerShell script directly, a blue message appears
This app can't run on your PC
To find a version for your PC, check with your published
Note:
Since powershell.exe is ultimately called, a console window will invariably (also) open when a CSV file is opened, because powershell.exe is a console-subsystem application.
Providing an alternative, GUI-subsystem executable to avoid creating a console window is the subject of this feature request on GitHub; in the meantime, there are workarounds:
A VBScript-based solution is shown in this answer.
A script-less, but complex and potentially AV-software-triggering alternative is used in this answer.
You'll need to use an adapted version of the powershell.exe command from your batch file, because *.ps1 files are by design not directly executable.
That is, in the registry definition for the CSV file type, use the following command to define the action for the Open verb (see below):
powershell.exe -ExecutionPolicy ByPass -NoExit -File c:\path\to\read_csv.ps1 -csvfile "%1"
Be sure to substitute the real path to your *.ps1 script for c:\path\to\read_csv.ps1 (double-quote it, if necessary); you can either use a literal path, or one based on cmd.exe-style environment-variable references (e.g., "%USERPROFILE%\read_csv.ps1").
Alternatively, you can make do without a script file altogether, using the PowerShell CLI's -Command parameter:
powershell.exe -ExecutionPolicy ByPass -NoExit -Command Import-Csv \"%1\" | Out-GridView
To automate the process of configuring this command for opening CSV files via File Explorer / the desktop:
The code below modifies the registry as follows:
defines a new file type, PsCsvViewer, with an Open verb (operation) that invokes the PowerShell command defined above.
associates the .csv filename extension with that new file type.
Note: The first time you open a CSV file after the redefinition, you may be prompted to confirm the intent to use a PowerShell command from now on.
creates the definitions above for the current user only, which means that you don't need admin privileges to run the code (which writing to subkeys of HKEY_CLASSES_ROOT\ would require).
# Note the need for *3* "\", because an extra layer of escaping is
# needed for reg.exe.
$cmd = 'powershell.exe -ExecutionPolicy ByPass -NoExit -Command Import-Csv \\\"%1\\\" | Out-GridView'
# Create a new file type for the PowerShell command.
reg.exe add HKCU\Software\Classes\PsCsvViewer\Shell\Open\command /ve /d $cmd /f
# Associate .csv files with the new file type.
reg.exe add HKCU\Software\Classes\.csv /ve /d PsCsvViewer /f
I have a batch file which is in a folder called script. The script folder also contains folder called powershell which has a script called IE-Settings.ps1.
I want to execute the powershell script from the batch file and I am unable to give powershell script path in the command. What I tried is
call %windir%\system32\WindowsPowerShell\v1.0\powershell.exe -File "& '%~dp0IESettings\IE-Settings.ps1'"
But it doesn't recognize the path
call is for running other batch files in a way that they return to the current batch file after they terminate, and per your question the subdirectory name is powershell, not IESettings. Also, when using the parameter -File you just specify the path to the file.
powershell.exe -File "%~dp0powershell\IE-Settings.ps1"
The call operator (&) is used when running PowerShell code via the -Command parameter, e.g.:
powershell.exe -Command "& { Write-Host 'foo' }"
What is the difference between calling a powershell script like this:
powershell.exe -file "myfile.ps1"
and like this (which also works):
powershell.exe -command "myfile.ps1"
thanks, robert
Running powershell.exe -File will return the exit code set by the script, whereas running powershell.exe -Command will return 1 if the script terminated with a non-zero exit code, or 0 otherwise.
C:\>type "C:\path\to\test.ps1"
exit 5
C:\>powershell.exe -command "C:\path\to\test.ps1"
C:\>echo %errorlevel%
1
C:\>powershell.exe -file "C:\path\to\test.ps1"
C:\>echo %errorlevel%
5
powershell.exe -file "myfile.ps1" — that means: start PowerShell and execute file myfile.ps1 (file name considered to be relative to current directory) in global scope.
powershell.exe -command "myfile.ps1" — that means: start PowerShell and execute command myfile.ps1, and PowerShell allows you to execute script files by typing their names in command line.
Differences:
In absence of dot source operator . myfile.ps1 PowerShell create new scope when command resolved to be script file.
PowerShell does not look in current directory as source of commands. So if file myfile.ps1 resides in current directory, and current directory not in PATH environment variable, then PowerShell fail to find myfile.ps1 command.
If file myfile.ps1 can be found in any directory mentioned in PATH environment variable before current directory, then myfile.ps1 command will be resolved to that file rather then to file myfile.ps1 in current directory.
You can create alias in you profile like New-Alias myfile.ps1 DoSomethingElse, and in this case myfile.ps1 command will be considered as reference to that alias rather then to myfile.ps1 file.
I've been trying to launch a simple powershell script from a batch file. After looking online the advice is to set the policy using Set-ExecutionPolicy.
I've done this and using Get-ExecutionPolicy the policy has been changed.
However running this batch file results in an 'Open With' dialog rather than the execution of the script.
Batch:
%SystemRoot%\system32\WindowsPowerShell\v1.0\powershell.exe ^&'./script.psl'
Powershell:
Write-Host "This is a message"
I have sampled on both Windows 7 and Server 2008 R2. Both have same result. What am I missing?
To run a script file from the command line, use the -file parameter of powershell.exe.
%SystemRoot%\system32\WindowsPowerShell\v1.0\powershell.exe -file './script.psl'
To run a script file from the *.cmd file , use the -file parameter of powershell.exe and double quotes:
%SystemRoot%\system32\WindowsPowerShell\v1.0\powershell.exe -file "./script.ps1"
When you will use only one quote in batch file you can expect powershell error like:
Processing -File ''./build.ps1'' failed because the file does not have
a '.ps1' extension. Specify a valid Windows PowerShell script file
name, and then try again.